August weather forecast
Alta, CA

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Weather in August

August, the last month of the summer in Alta, is also a moderately hot month, with an average temperature fluctuating between 52°F (11.1°C) and 82.4°F (28°C).

Temperature

With August's arrival, Alta's weather records an average high-temperature of a still moderately hot 82.4°F (28°C), marking little difference from July's 83.5°F (28.6°C). In August, Alta experiences a significant drop from daily zeniths to an average nighttime temperature of 52°F (11.1°C).

Heat index

For August, the heat index is calculated to be 82.4°F (28°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The average relative humidity in August is 40%.

Rainfall

In Alta, in August, it is raining for 2.1 days, with typically 0.12" (3mm) of accumulated precipitation. In Alta, during the entire year, the rain falls for 72.9 days and collects up to 36.06" (916mm) of precipitation.

Snowfall

July and August are months without snowfall.

Daylight

In August, the average length of the day in Alta, California, is 13h and 39min.
On the first day of August in Alta, sunrise is at 6:04 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:34 pm PDT.

Sunshine

In August, the average sunshine in Alta is 11.9h.

UV index

The average daily maximum UV index in August in Alta is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 5 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

How hot is it in Alta in August?

In Alta, 82.4°F (28°C) is the average high-temperature and 52°F (11.1°C) is the average low-temperature during August. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 82.4°F (28°C).

What is the average humidity in August in Alta?

The average relative humidity in August in Alta is 40%.

How much does it rain in Alta in August?

In Alta, California, in August, during 2.1 rainfall days, 0.12" (3mm) of precipitation is typically accumulated.

When it does not snow in Alta?

In Alta, California, snow does not fall in July and August.

Does it snow in Alta in August?

In Alta, California, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August in Alta?

In August, the average day length is 13h and 39min.

When is the sunrise / sunset in August in Alta?

On the first day of August in Alta, sunrise is at 6:04 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:34 pm PDT.

How long on average sun shines in August in Alta?

In August, the average sunshine duration in Alta is 11.9h.

How high is the UV index in August in Alta?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Alta, CA

Average temperature in August - Alta, CA
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in August: 52°F

The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).

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Average pressure in August
Alta, CA

Average pressure in August - Alta, CA
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Alta, CA

Average wind speed in August - Alta, CA
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in August
Alta, CA

Average humidity in August - Alta, CA
  • Average humidity in August: 40%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).

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Average rainfall in August
Alta, CA

Average rainfall in August - Alta, CA
  • Average rainfall in August: 0.12"

The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in August
Alta, CA

Average rainfall days in August - Alta, CA
  • Average rainfall days in August: 2.1 days

The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).

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Average snowfall in August
Alta, CA

Average snowfall in August - Alta, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").

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Average snowfall days in August
Alta, CA

Average snowfall days in August - Alta, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Alta, CA

Average daylight in August / Average sunshine in August - Alta, CA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in August
Alta, CA

Average sunshine days in August - Alta, CA
  • Average sunshine days in August: 27.1 days

The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).

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Average UV index in August
Alta, CA

Average UV index in August - Alta, CA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in August
Alta, CA

Average cloud cover in August - Alta, CA
  • Average cloud cover in August: 6

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in August
Alta, CA

Average visibility in August - Alta, CA
  • Average visibility in August: 6mi

The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).

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Alta, California, USA

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